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A117243 Chen numbers which are also twin primes. +0
1
3, 5, 7, 11, 13, 17, 19, 29, 31, 107, 109, 137, 139, 179, 181, 197, 199 (list; graph; listen)
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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